org.apache.hive.ptest.conf.Configuration.java Source code

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Here is the source code for org.apache.hive.ptest.conf.Configuration.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.hive.ptest.conf;

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
import java.util.Set;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Joiner;
import com.google.common.base.Preconditions;
import com.google.common.base.Splitter;
import com.google.common.base.Strings;
import com.google.common.collect.Iterables;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;

public class Configuration {

    private static final Logger LOG = LoggerFactory.getLogger(Configuration.class);

    private final Set<Host> hosts;
    private final String privateKey;
    private final String workingDirectory;
    private final Context context;
    private String antArgs;
    private String antEnvOpts;
    private String repository;
    private String repositoryName;
    private String patch;
    private String javaHome;
    private String branch;

    @VisibleForTesting
    public Configuration(Context context) {
        this.context = context;
        hosts = Sets.newHashSet();
        for (String alias : Splitter.on(" ").omitEmptyStrings().split(context.getString("hosts", ""))) {
            Context hostContext = new Context(context.getSubProperties(Joiner.on(".").join("host", alias, "")));
            LOG.info("Processing host {}: {}", alias, hostContext.getParameters().toString());
            hosts.add(new Host(hostContext.getString("host"), hostContext.getString("user"),
                    Iterables.toArray(Splitter.on(",").trimResults().split(hostContext.getString("localDirs")),
                            String.class),
                    hostContext.getInteger("threads")));
        }
        Preconditions.checkState(hosts.size() > 0, "no hosts specified");
        repository = Preconditions.checkNotNull(context.getString("repository"), "repository").trim();
        repositoryName = Preconditions.checkNotNull(context.getString("repositoryName"), "repositoryName").trim();
        privateKey = Preconditions.checkNotNull(context.getString("privateKey"), "privateKey").trim();
        branch = Preconditions.checkNotNull(context.getString("branch"), "branch").trim();
        workingDirectory = Preconditions.checkNotNull(context.getString("workingDirectory"), "workingDirectory")
                .trim();
        antArgs = Preconditions.checkNotNull(context.getString("antArgs"), "antArgs").trim();
        antEnvOpts = context.getString("antEnvOpts", "").trim();
        javaHome = context.getString("javaHome", "").trim();
        patch = Strings.nullToEmpty(null);
    }

    public Set<Host> getHosts() {
        return hosts;
    }

    public Context getContext() {
        return context;
    }

    public String getRepositoryName() {
        return repositoryName;
    }

    public String getRepository() {
        return repository;
    }

    public String getBranch() {
        return branch;
    }

    public String getPrivateKey() {
        return privateKey;
    }

    public String getWorkingDirectory() {
        return workingDirectory;
    }

    public String getAntArgs() {
        return antArgs;
    }

    public String getJavaHome() {
        return javaHome;
    }

    public String getPatch() {
        return patch;
    }

    public void setPatch(String patch) {
        this.patch = Strings.nullToEmpty(patch);
    }

    public void setRepository(String repository) {
        this.repository = Strings.nullToEmpty(repository);
    }

    public void setRepositoryName(String repositoryName) {
        this.repositoryName = Strings.nullToEmpty(repositoryName);
    }

    public void setBranch(String branch) {
        this.branch = Strings.nullToEmpty(branch);
    }

    public void setJavaHome(String javaHome) {
        this.javaHome = Strings.nullToEmpty(javaHome);
    }

    public void setAntArgs(String antArgs) {
        this.antArgs = Strings.nullToEmpty(antArgs);
    }

    public String getAntEnvOpts() {
        return antEnvOpts;
    }

    public void setAntEnvOpts(String antEnvOpts) {
        this.antEnvOpts = Strings.nullToEmpty(antEnvOpts);
    }

    @Override
    public String toString() {
        return "Configuration [privateKey=" + privateKey + ", workingDirectory=" + workingDirectory + ", context="
                + context + ", antArgs=" + antArgs + ", antEnvOpts=" + antEnvOpts + ", repository=" + repository
                + ", repositoryName=" + repositoryName + ", patch=" + patch + ", javaHome=" + javaHome + ", branch="
                + branch + "]";
    }

    public static Configuration fromInputStream(InputStream inputStream) throws IOException {
        Properties properties = new Properties();
        properties.load(inputStream);
        Context context = new Context(Maps.fromProperties(properties));
        return new Configuration(context);
    }

    public static Configuration fromFile(String file) throws IOException {
        return fromInputStream(new FileInputStream(file));
    }
}